ABSTRACT
This review covers recent advances in our knowledge of the role of a group of the most prominent neurotransmitters and neuromodulators in the field of the immune reactions of the body. The neurotransmitters and neuromodulators covered are the three catecholamines (epinephrine, noradrenaline and dopamine), serotonin, acetylcholine (both nicotinic and muscarinic functions), and histamine.